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$70 Find cheap flights from Montana to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/15
Sat 6/22

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In the last 7 days travelers have searched 42,211,976 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$70
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Missoula to Chicago O'Hare Airport

FAQs for booking flights from Montana to Chicago

  • How does KAYAK find such low prices on flights from Montana to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montana to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montana to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Montana is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Montana to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Montana with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montana to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Montana up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Montana to Chicago?

Find which airlines fly direct from Montana to Chicago, which days they fly and book direct flights.

Nonstop departures

Montana to Chicago

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights

Nonstop returns

Chicago to Montana

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights
See more direct flights

Book cheap flights from Montana to Chicago

Recent round-trip flight deals

6/7Fri
1 stopFrontier
19h 53mMSO-MDW
6/10Mon
1 stopFrontier
9h 22mMDW-MSO
$182
7/13Sat
1 stopSun Country Air
9h 26mBZN-ORD
7/31Wed
1 stopSun Country Air
15h 48mORD-BZN
$195
9/13Fri
nonstopAmerican Airlines
3h 20mMSO-ORD
9/16Mon
nonstopAmerican Airlines
3h 37mORD-MSO
$256
9/13Fri
1 stop
8h 49mMSO-ORD
9/16Mon
1 stop
9h 10mORD-MSO
$264
9/13Fri
1 stopAmerican Airlines
7h 56mMSO-ORD
9/16Mon
nonstopAmerican Airlines
3h 37mORD-MSO
$266
7/4Thu
1 stopDelta
8h 16mMSO-ORD
7/8Mon
1 stopDelta
5h 58mORD-MSO
$268
7/4Thu
2 stopsDelta
13h 02mMSO-ORD
7/8Mon
1 stopDelta
5h 58mORD-MSO
$273
8/4Sun
1 stop
7h 20mBZN-ORD
8/9Fri
1 stop
14h 02mORD-BZN
$287
8/8Thu
nonstopUnited Airlines
3h 19mMSO-ORD
8/11Sun
1 stopUnited Airlines
5h 31mORD-MSO
$289
8/22Thu
1 stopUnited Airlines
7h 32mGTF-ORD
8/26Mon
1 stopUnited Airlines
7h 16mORD-GTF
$298

Search by stops

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Search by price

Recent one-way flight deals

5/25Sat
1 stopFrontier
8h 13mMSO-ORD
$70
5/29Wed
1 stopFrontier
9h 04mMSO-ORD
$76
7/17Wed
1 stopSun Country Air
5h 09mMSO-ORD
$98
8/8Thu
nonstopUnited Airlines
3h 19mMSO-ORD
$105
8/8Thu
1 stopUnited Airlines
5h 34mMSO-ORD
$114
8/8Thu
2 stopsDelta
11h 42mMSO-ORD
$119
7/31Wed
1 stopSun Country Air
7h 10mBZN-ORD
$123
5/23Thu
1 stopDelta
6h 20mFCA-ORD
$137
7/15Mon
1 stop
12h 11mGTF-ORD
$144
8/23Fri
1 stop
13h 10mBIL-ORD
$156

Search by stops

Search by airline

Search by price

Last minute flights from Montana to Chicago

Last minute flight, train and bus deals

5/17Fri
multi-stopFrontier
19h 04mMSO-MDW
5/20Mon
multi-stopFrontier
10h 08mMDW-MSO
$347
5/17Fri
multi-stopUnited Airlines
5h 49mMSO-ORD
5/20Mon
multi-stopUnited Airlines
7h 55mORD-MSO
$526
5/18Sat
multi-stopUnited Airlines
7h 41mBIL-ORD
5/22Wed
multi-stopUnited Airlines
5h 41mORD-BIL
$633
5/17Fri
nonstopUnited Airlines
3h 03mBZN-ORD
5/20Mon
nonstopUnited Airlines
3h 24mORD-BZN
$701
5/17Fri
multi-stop
8h 59mMSO-ORD
5/20Mon
multi-stop
9h 48mORD-MSO
$719
5/17Fri
multi-stopDelta
6h 45mMSO-MDW
5/20Mon
multi-stopDelta
7h 35mMDW-MSO
$839
5/18Sat
multi-stopDelta
9h 43mBIL-MDW
5/22Wed
multi-stopDelta
4h 45mMDW-BIL
$859
5/17Fri
multi-stopAlaska Airlines
18h 24mMSO-ORD
5/20Mon
multi-stopAlaska Airlines
26h 40mORD-MSO
$938
5/17Fri
multi-stopAmerican Airlines
6h 08mBZN-ORD
5/20Mon
multi-stopAmerican Airlines
16h 49mORD-BZN
$942
5/17Fri
multi-stopAlaska Airlines
17h 53mBZN-ORD
5/20Mon
multi-stopAlaska Airlines
16h 59mORD-BZN
$1,098

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Montana

Cabin classes:

$1,117
$1,364
$681
$305